Back to All Providers

Constellation Energy Logo


Constellation, an Exelon Company, is a leading competitive energy company serving over 2.5 million residential and business customers across the United States. This includes Two-thirds of Fortune 100 companies.

Constellation specializes in integrated energy solutions from electricity, natural gas and renewable energy supply to energy efficiency and distributed energy solutions. This creates a one-stop-shop for your personal or business energy needs.

They are also committed to making a lasting positive impact in the communities it serves. They donated $4 million to local charities and logged over 45,000 employee volunteer hours in 2019.

Fast Facts:

  • HEADQUARTERS – Baltimore, MD
  • FOUNDED – 1999
  • ENERGY OPTIONS – Electricity, Natural Gas, Home Protection and Business Electricity Plans. Smart Home Automation & Security Systems

Constellation Electricity Rates

Constellation offers the following types of electric service to residential customers in areas with Energy Choice.

  • Low Fixed-Rate Electricity Plans: 6, 12, 30 and 36-month plans
  • Electricity Plans with Bundles: Plans that include smart home systems and A/C protection plans
  • 100% Renewable Plans: Plans that support green power and offset energy usage with 100% renewable energy sources

Why Choose Constellation?

Constellation is committed to maintaining high levels of customer service, competitive pricing, and working with and within their local communities to help those in need.

Choosing Constellation as your electricity or natural gas provider offers you:

  • Timely, personal responses to any and all of your questions
  • Continuous feedback for added value to Constellation’s products and services
  • A user-friendly online experience
  • Competitive pricing and various payment options

They regularly partner with groups such as Habitat for Humanity to implement affordable energy options and offer various educational grants.

Residential Energy Service Areas

Constellation serves residential customers with Energy Choice in the following states.

Renewable Energy

Constellation offers renewable energy solutions and plans to residents with Energy Choice. When you sign up for a 100% renewable energy plan, your electricity usage is offset with Renewable Energy Credits (REC’s). These support the generation of green power and ensure that more renewable energy enters the electricity grid.

Learn more about signing up for 100% renewable energy here.

Natural Gas Rates

Constellation offers low fixed-rate natural gas plans so that you can lock in your rate. This benefits customers who want to avoid surprises when the gas bill comes. Natural gas service is available for residents with gas choice in 15 states.

Business Electricity Options

Constellation offers fixed-rate and variable-rate electricity plans for small businesses and commercial businesses. For more information about business electricity, visit the business electricity page and fill out the form. You’ll receive a customized quote at no obligation.

Constellation Contact Information

Note: If you’re experiencing an electricity outage, contact your local utility company and not Constellation.